akismet-api
Nodejs bindings to the Akismet (https://akismet.com) spam detection service
altcha
GDPR compliant, self-hosted CAPTCHA alternative.
spamc
Compute the spamassassin spam score of an email
discord-anti-spam
An easy to setup package that help you integration of anti-spam feature in your discord bot.
project-honeypot
Friendly API for querying and consuming the Project Honeypot API